Boston Partners
ACLS icon

Boston Partners’s Axcelis ACLS Stock Holding History

Boston Partners’s Portfolio ACLS Stock Details ACLS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$55.7M Sell
303,929
-36,346
-11% -$5.39M 0.05% 266
2026
Q1 		$31.8M Sell
340,275
-82,160
-19% -$7.28M 0.03% 316
2025
Q4 		$35.1M Sell
422,435
-46,306
-10% -$3.88M 0.04% 305
2025
Q3 		$44.9M Sell
468,741
-5,302
-1% -$427K 0.05% 272
2025
Q2 		$33.6M Buy
474,043
+141,004
+42% +$8.04M 0.04% 291
2025
Q1 		$16.3M Buy
333,039
+2,966
+0.9% +$188K 0.02% 340
2024
Q4 		$23.1M Buy
330,073
+84,481
+34% +$7.02M 0.03% 320
2024
Q3 		$25.2M Buy
245,592
+81
+0% +$9.47K 0.03% 305
2024
Q2 		$33.7M Buy
245,511
+53,251
+28% +$6.14M 0.04% 267
2024
Q1 		$20.8M Buy
+192,260
New +$22.9M 0.02% 320
2023
Q1 		– Sell
-16,045
Closed -$1.27M – 693
2022
Q4 		$1.27M Buy
16,045
+4,569
+40% +$322K ﹤0.01% 489
2022
Q3 		$695K Buy
11,476
+2,061
+22% +$133K ﹤0.01% 555
2022
Q2 		$516K Buy
9,415
+2,428
+35% +$141K ﹤0.01% 602
2022
Q1 		$528K Sell
6,987
-7,852
-53% -$536K ﹤0.01% 615
2021
Q4 		$1.11M Sell
14,839
-47,450
-76% -$2.81M ﹤0.01% 518
2021
Q3 		$2.93M Sell
62,289
-18,451
-23% -$803K ﹤0.01% 417
2021
Q2 		$3.26M Sell
80,740
-48,127
-37% -$1.99M ﹤0.01% 407
2021
Q1 		$5.29M Buy
128,867
+33,716
+35% +$1.26M 0.01% 383
2020
Q4 		$2.77M Buy
95,151
+7,090
+8% +$183K ﹤0.01% 399
2020
Q3 		$1.94M Sell
88,061
-22,852
-21% -$583K ﹤0.01% 428
2020
Q2 		$3.09M Buy
110,913
+1,591
+1% +$38.8K 0.01% 384
2020
Q1 		$2M Buy
+109,322
New +$2.54M ﹤0.01% 421

Other funds holding ACLS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Boston Partners's ACLS Position: Q2 2026 in Review

Boston Partners reduced its Axcelis (ACLS) stake by 11% in Q2 2026, selling an estimated $5.39M and leaving 303,929 shares worth $55.7M. The position accounts for 0.05% of the portfolio, ranked #266.

Boston Partners first reported a position in ACLS in Q1 2020 and has held it in 22 quarters since. 441 funds tracked by Wall St. Rank hold ACLS as of Q2 2026.

  • Boston Partners held 303,929 shares of Axcelis worth $55.7M as of Q2 2026.
  • Boston Partners sold 36,346 Axcelis shares in Q2 2026, an estimated $5.39M.
  • Axcelis made up 0.05% of Boston Partners's portfolio in Q2 2026, its #266 holding.
  • Boston Partners first reported a position in Axcelis in Q1 2020 and has held it in 22 quarters since.
  • 441 funds tracked by Wall St. Rank held Axcelis as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.